chord_row_list_model.h

// SPDX-FileCopyrightText: © 2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include "dsp/chord_descriptor.h"
#include "structure/arrangement/chord_object.h"
#include "structure/arrangement/chord_region.h"
 
#include <QAbstractListModel>
#include <QPointer>
#include <QtQmlIntegration/qqmlintegration.h>
 
namespace zrythm::gui::qquick
{

class ChordRowListModel : public QAbstractListModel
{
  Q_OBJECT
  Q_PROPERTY (
    zrythm::structure::arrangement::ChordRegion * region READ region WRITE
      setRegion NOTIFY regionChanged)
  QML_ELEMENT
 
public:
  enum Roles
  {
    ChordNameRole = Qt::UserRole + 1,
    ChordDescriptorRole,
    ChordObjectCountRole
  };
  Q_ENUM (Roles)
 
  explicit ChordRowListModel (QObject * parent = nullptr);
 
  structure::arrangement::ChordRegion * region () const { return region_; }
  void setRegion (structure::arrangement::ChordRegion * region);
 
  QHash<int, QByteArray> roleNames () const override;
  int rowCount (const QModelIndex &parent = QModelIndex ()) const override;
  QVariant
  data (const QModelIndex &index, int role = Qt::DisplayRole) const override;

  Q_INVOKABLE int
  rowForChordObject (zrythm::structure::arrangement::ChordObject * object) const;

  Q_INVOKABLE zrythm::dsp::ChordDescriptor * descriptorAtRow (int row) const;

  Q_INVOKABLE QVariantList chordObjectsAtRow (int row) const;
 
  Q_SIGNAL void regionChanged ();

  Q_SIGNAL void contentChanged ();
 
private:
  struct Row
  {
    dsp::ChordDescriptor *                                     descriptor;
    std::vector<zrythm::structure::arrangement::ChordObject *> objects;
  };
 
  void rebuild ();
  void connect_to_region_model ();
  void disconnect_from_region_model ();
  void connect_descriptor_signals ();
  void disconnect_descriptor_signals ();
 
  QPointer<structure::arrangement::ChordRegion> region_;
  std::vector<Row>                              rows_;
  std::vector<QMetaObject::Connection>          descriptor_connections_;
};
 
} // namespace zrythm::gui::qquick